Injection mold for automotive upholstery

Abstract

The utility model discloses an automobile interior trim part injection mold which comprises a lower mold assembly, the lower mold assembly comprises a lower mold base, fixing blocks fixedly connected to the two sides of the lower mold base and a lower mold plate fixedly connected to the fixing blocks, and an ejection mechanism is arranged in the middle of the lower mold base; the top of the lower die plate is fixedly connected with a lower die core. The two sides of the lower mold core are fixedly connected with mold cores matched with the interior trim parts in shape. According to the injection mold for the automotive upholstery, the ejection mechanism is arranged, under the relative action of the ejector pin push plate, the push plate fixing plate, the ejector pin and the inclined ejector rod, ejection force of an injection molding machine can be effectively transmitted to the mold core, meanwhile, the ejection smoothness of the upholstery is improved through the two different ejection modes of the ejector pin and the inclined ejector rod, and the service life of the upholstery is prolonged. Therefore, the interior trim part can be quickly ejected out, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and particularly relates to an injection mold for automobile interior parts. Background Art

[0002] In the field of automobile manufacturing, the quality and production efficiency of interior parts are important indicators to measure the quality of automobiles. Traditional production of automobile interior parts usually adopts injection molding process, but existing injection molds have some limitations, such as complex mold structure, low efficiency of the ejection mechanism, short mold life, etc. These problems directly affect the production efficiency and quality of interior parts. In traditional injection molds for interior parts, the ejector pins of the ejection mechanism are all arranged vertically. Due to the complex structure of interior parts, it is easy to cause unsmooth ejection of products, affecting production efficiency.

[0003] Based on the above situation, the utility model proposes an injection mold for automobile interior parts, which can effectively solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an injection mold for automobile interior parts. An injection mold for automobile interior parts provided by the utility model, through setting an ejection mechanism, under the relative action of an ejector pin push plate, a push plate fixing plate, ejector pins and angled ejector rods, can effectively transfer the ejection force of an injection molding machine to a core. At the same time, through these two different ejection methods of ejector pins and angled ejector rods, the smoothness of ejecting interior parts is increased, thereby realizing the rapid ejection of interior parts and increasing production efficiency.

[0005] The utility model is realized through the following technical solutions:

[0006] An injection mold for automobile interior parts, comprising:

[0007] A lower mold assembly, the lower mold assembly includes a lower mold base, fixing blocks fixedly connected to both sides of the lower mold base, and a lower template fixedly connected to the fixing blocks. An ejection mechanism is arranged in the middle of the lower mold base; a lower mold core is fixedly connected to the top of the lower template; both sides of the lower mold core are fixedly connected with cores matching the shape of the interior part.

[0008] An upper mold assembly, the upper mold assembly includes an upper mold base, a first upper template fixedly connected to the bottom of the upper mold base, and a second upper template fixedly connected to the bottom of the first upper template. An upper mold core is fixedly connected to the bottom of the second upper template; a locating ring is arranged at the central position of the upper mold base. The upper mold base, the first upper template, the second upper template and the upper mold core are all provided with glue injection channels corresponding to the locating ring; cavities adapted to the cores are respectively opened on both sides of the upper mold core.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, the ejection mechanism includes an ejector pin push plate disposed on the lower die base, a push plate fixing plate fixedly connected above the ejector pin push plate, and ejector pins and lifters penetrating through the push plate fixing plate, and the ejector pins and lifters are fixedly connected to the ejector pin push plate; the tops of the ejector pins and lifters are in smooth transition with the surface of the core.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, guide columns penetrating through the push plate fixing plate are respectively fixedly connected to both sides of the ejector pin push plate, and the lower template is slidably connected to the guide columns.

[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, a plurality of lower die insert locating blocks are respectively fixedly connected to both sides of the lower template.

[0012] According to the above technical solution, as a further preferred technical solution of the above technical solution, inserts are respectively arranged at the four corners of the lower die insert, and the upper die insert is provided with slots for the inserts to be inserted.

[0013] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0014] An injection mold for automotive interior parts provided by the present invention, by arranging an ejection mechanism, under the relative action of the ejector pin push plate, the push plate fixing plate, the ejector pins and the lifters, the ejection force of the injection molding machine can be effectively transmitted to the core, and at the same time, through these two different ejection methods of the ejector pins and the lifters, the smoothness of the ejection of the interior parts is increased, so as to realize the rapid ejection of the interior parts and increase the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 is a schematic diagram of the structure of the lower die assembly of the present invention;

[0017] Figure 3 is a schematic diagram of the structure of the ejection mechanism of the present invention;

[0018] Figure 4 is a schematic diagram of the structure of the upper die insert of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To enable those skilled in the art to better understand the technical solution of the present utility model, the following describes the preferred implementation of the present utility model in combination with specific embodiments. However, it should be understood that the drawings are only for illustrative purposes and cannot be construed as a limitation on this patent; to better illustrate this embodiment, some components in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationships described in the drawings are only for illustrative purposes and cannot be construed as a limitation on this patent.

[0020] An injection mold for automotive interior parts, comprising:

[0021] A lower mold assembly, the lower mold assembly includes a lower mold base 1, fixing blocks 2 fixedly connected to both sides of the lower mold base 1, and a lower template 3 fixedly connected to the fixing blocks 2. A ejection mechanism 4 is arranged in the middle of the lower mold base 1; a lower mold core 5 is fixedly connected to the top of the lower template 3; on both sides of the lower mold core 5, core molds 6 matching the shape of the interior part 7 are fixedly connected.

[0022] An upper mold assembly, the upper mold assembly includes an upper mold base 8, a first upper template 9 fixedly connected to the bottom of the upper mold base 8, and a second upper template 10 fixedly connected to the bottom of the first upper template 9. An upper mold core 11 is fixedly connected to the bottom of the second upper template 10; a positioning ring 12 is arranged at the central position of the upper mold base 8. The upper mold base 8, the first upper template 9, the second upper template 10 and the upper mold core 11 are all provided with glue injection channels 13 corresponding to the positioning ring 12; on both sides of the upper mold core 11, cavities 14 adapted to the core molds 6 are respectively arranged.

[0023] Further, in another embodiment, the ejection mechanism 4 includes an ejector pin push plate 41 arranged on the lower mold base 1, a push plate fixing plate 42 fixedly connected above the ejector pin push plate 41, and ejector pins 43 and inclined ejector rods 44 penetrating through the push plate fixing plate 42. The ejector pins 43 and the inclined ejector rods 44 are fixedly connected to the ejector pin push plate 41; the tops of the ejector pins 43 and the inclined ejector rods 44 are in smooth transition with the surface of the core mold 6.

[0024] The ejection mechanism of the present utility model, under the relative action of the ejector pin push plate 41, the push plate fixing plate 42, the ejector pins 43 and the inclined ejector rods 44, can effectively transmit the ejection force of the injection molding machine to the core mold 6. At the same time, through these two different ejection methods of the ejector pins 43 and the inclined ejector rods 44, the smoothness of the ejection of the interior part 7 is increased, thereby realizing the rapid ejection of the interior part 7 and increasing the production efficiency.

[0025] Further, in another embodiment, guide posts 45 penetrating through the ejector plate fixing plate 42 are fixedly connected to both sides of the ejector pin push plate 41, and the lower template 3 is slidably connected to the guide posts 45. The arrangement of the guide posts 45 improves the guiding accuracy of the ejector pin push plate 41 and ensures the stability and reliability of the ejection mechanism.

[0026] Further, in another embodiment, a plurality of lower die core positioning blocks 15 are fixedly connected to both sides of the lower template 3. The arrangement of the lower die core positioning blocks 15 enhances the positioning accuracy of the lower die core 5 and reduces errors during the production process.

[0027] Further, in another embodiment, insertion blocks 16 are respectively arranged at the four corners of the lower die core 5, and the upper die core 11 is provided with slots 17 for the insertion blocks 16 to be inserted. The insertion blocks 16 at the four corners of the lower die core 5 and the slots 17 of the upper die core 11 ensure the precise closing of the mold and the consistency of the products.

[0028] Based on the description and drawings of the present utility model, those skilled in the art can easily manufacture or use an injection mold for automotive interior parts of the present utility model and can achieve the positive effects recorded in the present utility model.

[0029] Unless otherwise clearly specified and defined, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present utility model are only for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood in combination with the drawings and according to specific circumstances.

[0030] Unless otherwise clearly specified and defined, in the present utility model, if there are terms such as "arrangement", "connection" and "connection", they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] The above are only the preferred embodiments of the present utility model, and do not impose any formal restrictions on the present utility model. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model all fall within the protection scope of the present utility model.

Claims

1. An injection mold for automobile interior parts, characterized in that: include: A lower die assembly, the lower die assembly comprising a lower die base (1), fixed blocks (2) fixedly connected to both sides of the lower die base (1), and a lower die plate (3) fixedly connected to the fixed blocks (2); an ejection mechanism (4) is provided in the middle of the lower die base (1); a lower die core (5) is fixedly connected to the top of the lower die plate (3); and a core (6) matching the shape of an interior decoration part (7) is fixedly connected to both sides of the lower die core (5); An upper mold assembly comprises an upper mold base (8), a first upper mold plate (9) fixedly connected to the bottom of the upper mold base (8), and a second upper mold plate (10) fixedly connected to the bottom of the first upper mold plate (9), wherein the bottom of the second upper mold plate (10) is fixedly connected to an upper mold core (11); a positioning ring (12) is provided at the center of the upper mold base (8), and the upper mold base (8), the first upper mold plate (9), the second upper mold plate (10) and the upper mold core (11) are all provided with a glue injection channel (13) corresponding to the positioning ring (12); and cavities (14) adapted to the core (6) are respectively provided on both sides of the upper mold core (11).

2. The automotive interior parts injection mold according to claim 1, characterized in that: The ejection mechanism (4) comprises an ejector push plate (41) arranged on the lower mold base (1), a push plate fixing plate (42) fixedly connected above the ejector push plate (41), and an ejector (43) and an inclined ejector rod (44) penetrating the ejector plate fixing plate (42); the ejector (43) and the inclined ejector rod (44) are fixedly connected to the ejector push plate (41); the tops of the ejector (43) and the inclined ejector rod (44) are smoothly transitioned to the surface of the core (6) respectively.

3. The automotive interior parts injection mold according to claim 2, characterized in that: Guide pillars (45) penetrating the push plate fixing plate (42) are respectively fixedly connected to both sides of the ejector push plate (41), and the lower template (3) is slidably connected to the guide pillars (45).

4. The automotive interior parts injection mold according to claim 1, characterized in that: A plurality of lower mold core positioning blocks (15) are respectively fixedly connected to both sides of the lower mold plate (3).

5. The automotive interior parts injection mold according to claim 1, characterized in that: Insertion blocks (16) are respectively arranged at the four corners of the lower die core (5), and the upper die core (11) is provided with slots (17) for inserting the insertion blocks (16).

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